<template>
  <div class="login-page">
    <van-nav-bar title="面经登录"/>
    <van-form @submit="onSubmit">
      <van-field
        v-model="username"
        name="username"
        label="用户名"
        placeholder="用户名"
        :rules="[
          { required: true, message: '请填写用户名' },
          { pattern: /^\w{5,}$/, message: '用户名至少包含5个字符' }
        ]"
      />
      <van-field
        v-model="password"
        type="password"
        name="password"
        label="密码"
        placeholder="密码"
        :rules="[
          { required: true, message: '请填写密码' },
          { pattern: /^\w{6,}$/, message: '密码至少包含6个字符' }
        ]"
      />
      <div style="margin: 16px;">
        <van-button block type="info" native-type="submit">登录</van-button>
      </div>
    </van-form>
    <router-link class="link" to="/register">注册账号</router-link>
  </div>
</template>

<script>
import { login } from '@/api/user'
import { setToken } from '@/utils/storage'

export default {
  name: 'login-page',
  data() {
    return {
      username: '',
      password: '',
    };
  },
  methods: {
    async onSubmit(values) {
      console.log('submit', values);
      // 发起登录的请求
      const res = await login(values)
      // console.log(res);
      // 登录成功
      // 1. 提示用户
      this.$toast.success('登录成功')
      // 2. 将后端返回的 token 存储到本地
      setToken(res.data.token)
      // 3. 跳转到首页
      this.$router.push('/')
    },
  },
}
</script>

<style lang="less" scoped>
.link {
  color: #069;
  font-size: 12px;
  padding-right: 20px;
  float: right;
}
</style>
